CVE-2026-39666

MEDIUM 6.5

WordPress Hello Bar Popup Builder plugin <= 1.5.1 - Cross Site Scripting (XSS) vulnerability

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

8th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in telepathy Hello Bar Popup Builder hellobar allows DOM-Based XSS.This issue affects Hello Bar Popup Builder: from n/a through <= 1.5.1.

CWE	CWE-79
Vendor	telepathy
Product	hello bar popup builder
Published	Apr 8, 2026
Last Updated	Apr 8, 2026

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Affected Versions

telepathy / Hello Bar Popup Builder

0 ≤ 1.5.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/hellobar/vulnerability/wordpress-hello-bar-popup-builder-plugin-1-5-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Nabil Irawan | Patchstack Bug Bounty Program